The track at PVLS consists of 4580 feet of ground level rails and 1140
feet of elevated track. The elevated track has two gauges. The smallest
is 3.5 inch gauge, 3/4" to the foot scale and the next is 4.75 inch
gauge, 1" to the foot scale. The gauge is the dimension between the
rails. The ground level track is 7.25 gauge and most of the engines on
this track are made to 1.5 inches to the foot scale.